Description
As is stated in the introductory chapter, the subject of Maʻrifat al-arz̤ (Knowledge of the Earth, or Introduction to geology) is “the structure and the continual evolution that [the Earth] has been subject to in prior eons and at the present time.” The work thus can be regarded as an introductory text on geology. Following the introduction are 20 chapters on topics ranging from “rocks” (Chapter 2) to the “Quaternary Period” (Chapter 21). Sections in each chapter are numbered consecutively, and end at Section 167, “The Ice Age.” Other topics ...